PWM DC 1.8V 3V 5V 6V 12V 16V 35V 60V 3A~20A Low Voltage Motor Speed Controller
● PWM Duty Cycle: 1%-100. You can adjust the duty cycle at will to achieve the purpose of speed regulation, small size, with mounting holes, easy to install. ● PWM frequency: 20khz. ● PWM frequency: 10khz.